Regarding heat exchanger types
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There are too many types of heat exchangers. When determining the cost, these are classified into coiled type, U-type, tubular type, and plate type. Since it’s usually not possible to tell what type of heat exchanger it is from the nameplate on the equipment, how can one determine it based on its appearance?
You can search for 【heat exchanger】 on Baidu; there are clear explanations, pictures, and information about its internal structure.
Simply look at the end cap, as well as the locations of the inlet and outlet pipelines for the material; it’s quite straightforward in such cases. Things change a bit when the heat exchanger becomes larger, but overall it remains accurate. Generally, a U-type heat exchanger has only one end cap, with the material entering from the lower side of this end cap and exiting from the upper side, while the circulating water flows through the shell side； The tube sheet has two end caps, with fluid entering and exiting at the ends and circulating water in the middle
The slab shape is simply a square; with layers on top of each other, it’s the easiest to identify
Generally, shell-and-tube exchangers have two end caps, while U-shaped or floating-head exchangers have one end cap; plate-type exchangers are like plate and frame filter presses, and coiled-type exchangers are similar to coils.
The appearance alone can only tell you part of the story; the rest requires checking the label and reviewing the records